Pro Seal is designed to repair minor leaks in the evaporator, condenser, connecting fittings and metal lines. Pro Seal was designed to save the the burden of costly repairs in the form of replacement parts and expensive service labor. Pro Seal can be used in all air-conditioning systems that use: R12, R134a, R22 or R502.
Pro Seal comes in a 4 ounce aerosol can.
The can contains enough Pro Seal to repair small leaks in 3 or 4lb a/c systems. The can contains 3.5 ounces of refrigerant which is equivalent to 10.5 ounces of R12 or 9.1 ounces of R134a.